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<pre class="hl"><span class="hl com">/*</span>
<span class="hl com"> *  globals.h</span>
<span class="hl com"> *  scheme2</span>
<span class="hl com"> *</span>
<span class="hl com"> *  Created by Leo Katzenstein on 5/25/07.</span>
<span class="hl com"> *  Copyright 2007 __MyCompanyName__. All rights reserved.</span>
<span class="hl com"> *</span>
<span class="hl com"> */</span>


<span class="hl kwc">extern</span> <span class="hl kwb">FILE</span> <span class="hl sym">*</span>yyin<span class="hl sym">;</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>sym_list<span class="hl sym">;</span>
<span class="hl kwc">extern</span> <span class="hl kwb">char</span> <span class="hl sym">*</span>yytext<span class="hl sym">;</span>

<span class="hl dir">#define TRUE 1</span>
<span class="hl dir">#define FALSE 0</span>

<span class="hl com">/* Base environment */</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>env0<span class="hl sym">;</span>

<span class="hl com">/* special operators */</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>quote<span class="hl sym">;</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>cond<span class="hl sym">;</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>define<span class="hl sym">;</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>lambda<span class="hl sym">;</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>nil<span class="hl sym">;</span>

<span class="hl com">/* special symbol */</span>
<span class="hl kwc">extern</span> Pair <span class="hl sym">*</span>t<span class="hl sym">;</span>
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